I Have a hp a705w p4 with 2.93 ghz, radeon 9250 video card and ati wonder tv tunner my mother board is ms-6577. i have tried cheat codes in various combinations. i have also tested the cd and it test ok. i tried debub and failsafe i can get to autoconfiguring devices done and it hangs there. all these codes work only with acpi=off. i am not sure what else to try. :)